Your delegation doesn't guarantee upvotes, your activity and content within the parameters that the account supports will be the most likely way to receive upvotes.
Have a read of this to get a better idea of what the community tries to do: https://hive.blog/hive-120078/@naturalmedicine/what-we-re-doing-for-our-delegators-tips-reblogs-curation-challenges-and-more
Okay sure, thanks!